328 



KEY AND DESCRIPTION 



Alaska to Brazil ; breeding in the interior from Illinois to Alaska, and 

 migrating through all parts of the eastern United States. 



12. Noddy (79. Anons stdlidus). — A southern, dark brown, 

 almost black tern. Avith a whitish crown and a rounded tail. 



The young lacks the 

 whitish crown, but 

 has more or less of a 

 white line over the 

 e^'e. This is a com- 

 mon summer visitor 

 in the South Atlantic 

 and Gulf States, and 

 breeds in Florida. 



Noddy 



Length, 15 ; wing, lOJ (10-10|) ; t<ail, 6 ; 

 Tropical regions generally ; in America from 

 United States. 



tarsus, 

 Brazil 



cuhnen, IJ. 

 the southern 



GULLS (SUBFAMILY LAlUX^E) 

 C'haraotfristirs pivon on p. 321 



Key to the Species 



* Hind toe minute or wanting (mucli less than | inch long) ; tail sliirlitly 



notched or even 14. Kittiwake. 



* Hind toe small. (A.) 



A. Tail forked about 1 inch ; tail feathers rounded at tip 



24. Sabine's Gull. 



A. Tail even. (B.) 

 B. Adults pure white ; tarsus rough behind and less than the middle toe 



and nail in length ; wing, 13-14 long 13. Ivory Gull. 



B. Adults with a darker mantle ; tarsus not very rough, and equal to or 

 greater than the middle toe and nail in lengtli. (C.) 

 C. Wing, 8-9 J long. The Little Gull (fiO-1. Larus minutus) of Europe 



has been found once on Long Island. 

 C. Wing over OJ long. (D.) 



D. Wing, 10-10| long ; bill black and .slender 23. Bonaparte's Gull. 



D. Wing, lOf-12 long ; bill red, with usually a dark baii<l mar tiji 



22. Franklin's Gull. 



D. Wing, 12-13^ long ; outer primary black 21. Laughing Gull. 



D. Wing over 13^ long. (E.) 

 E. Primaries pearl-gray, fading to white at tip, no black. (H.) 



